The New Encyclopędia BritannicaEncyclopędia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 137
... atoms , a concept advanced chiefly by the U.S. chemist Gilbert N. Lewis . In Lewis ' formulation , when both electrons are contributed by one of the atoms , as in the boron - nitrogen bond , which is formed when the substance boron ...
... atoms , a concept advanced chiefly by the U.S. chemist Gilbert N. Lewis . In Lewis ' formulation , when both electrons are contributed by one of the atoms , as in the boron - nitrogen bond , which is formed when the substance boron ...
Page 334
... atoms or vacancies in the crystal structure , or foreign atoms present at sites that should be occupied by the atoms of the material located between the atoms of the material . Disloca- In addition to the above atomic or " point ...
... atoms or vacancies in the crystal structure , or foreign atoms present at sites that should be occupied by the atoms of the material located between the atoms of the material . Disloca- In addition to the above atomic or " point ...
Page 344
... atoms to the X - ray beam . With this formulation , Bragg was able to explain successfully all the spots from Laue's patterns from different planes of atoms . He then tried bouncing an X - ray beam from a crystal in reflection , as from ...
... atoms to the X - ray beam . With this formulation , Bragg was able to explain successfully all the spots from Laue's patterns from different planes of atoms . He then tried bouncing an X - ray beam from a crystal in reflection , as from ...
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activity American animals appear areas authority become body called cause cells central century charge common complex conservation consists constant constitution consumer contain continental continued copper cosmic rays countries court crime criminal Crusade direct early effect electron elements energy England established Europe evidence example exist fact field force ground groups House important increase individual industrial involved Italy known land later less letters limited living major material means measure ment metal natural occur organic original particles particular party percent period person play political population position present problems protection reefs region remains result rule social South species structure theory tion United usually various